# 九九乘法表
for x in range(1,10):
    for y in range(1,x+1):
        print(f"{y}*{x}={x*y}",end="\t")
    print()

l1 = [3,4,5,5,6]
l2 = [4,5,6,7,8]
for i in l1:
    if i in l2:
        print(f"{i}是相同元素")




